Whole-home duct cleaning
Dryer vent cleaning
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Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
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Before
AfterHow Much Does HVAC Cleaning Cost in Santa Clarita?
HVAC cleaning in Santa Clarita typically costs between $285 and $610 for a full air duct and HVAC system cleaning in 2026, with most homes falling in the $380 to $460 range. Larger homes with two systems or heavily soiled ductwork can push the price to $700 or more. The national average hovers around $385, but Santa Clarita’s specific conditions, including our dry summer dust and Santa Ana wind season, make local pricing worth understanding before you book.
HVAC Cleaning Cost Breakdown (2026)
Here are the line-item prices we see across Santa Clarita, from Valencia to Canyon Country to Newhall. These reflect what homeowners actually pay in this market, not national averages that ignore how our valley weather affects duct buildup.
| Service | Typical Santa Clarita Price Range | What It Includes |
|---|---|---|
| Basic air duct cleaning (single system) | $285 – $410 | All supply and return ducts, one furnace or air handler, up to 10 vents |
| Full HVAC cleaning (single system, two-story home) | $390 – $610 | Ducts, both coils, blower motor and housing, up to 14 vents |
| Two-system home (common in Castaic and Stevenson Ranch) | $590 – $880 | Both systems, all ducts, 15+ vents |
| Blower motor and evaporator coil cleaning only | $150 – $310 | Access panel removal, coil cleaning, blower wheel and housing |
| Dryer vent cleaning (add-on) | $85 – $150 | Full vent run from dryer to exterior termination |
| Duct sealing (mastic or Aeroseal) | $350 – $1,100 | Depends on accessible ductwork vs. Aeroseal injection method |
| Sanitizing fog or antimicrobial treatment | $75 – $200 | Applied after cleaning for odor or mold concerns |
What moves the price up or down in Santa Clarita specifically: the age of the home matters more than people expect. Houses built in the 1980s and early 1990s around Saugus and older parts of Newhall often have hard-pipe ductwork that requires more time to access and clean properly. Rotting flex duct from heat and UV exposure in attic spaces, which we see constantly in homes with south-facing roofs, can add repair costs if the duct has deteriorated beyond cleaning. And if nobody has cleaned the system since the home was built, the blower wheel and evaporator coil work takes longer, which shows up in the bill.
What Affects HVAC Cleaning Pricing in Santa Clarita
- Number of systems. A 4,200 square foot home in Valencia with one HVAC system costs less to clean than a 2,800 square foot Stevenson Ranch home with two. Each system means a second air handler, second coil, and second blower assembly.
- Duct accessibility. Crawlspace ductwork, common in older Canyon Country homes, is slower to access than attic runs. Technicians working in a 130-degree Santa Clarita summer attic need more time and more hydration breaks than a crew in a conditioned basement market.
- How long since the last cleaning. If your ducts have never been cleaned since the home was built in 2003, expect the price to land at the higher end of the range. Heavy buildup requires slower passes with the rotary brush and more negative-air machine runtime.
- Filtration upgrades. Homes that run premium MERV 11 or MERV 13 filters from Honeywell or Aprilaire tend to have less duct buildup, but if those filters were neglected and collapsed, dust bypasses them entirely and coats the coil and blower.
- Pet load. We can tell within the first five minutes of a job whether a home has two German Shepherds or three cats. Pet dander combined with our dry climate creates a fine, staticky dust that clings to duct walls and takes longer to extract.
- Smoke or construction residue. Homes near the recent burn areas, or any residence that has been through a remodel in the past two years, often carry fine ash or drywall dust that settles throughout the system and requires an additional pass.
What You’re Actually Paying For
The price you’re quoted should always be the price you pay, which is why a written estimate before work begins is the standard we hold around here. You’re paying for three stages of work on the HVAC side:
First, the negative-air method. A large Nikro or Abatement Technologies vacuum unit hooks up to your ductwork and creates continuous suction while the cleaning happens. This is what separates real cleaning from the $79 bait-and-switch specials that circulate on postcards and Facebook ads in Santa Clarita. Without negative air, dust just gets pushed around inside the system.
Second, the rotary brush system. A Rotobrush machine feeds a spinning brush through every accessible duct run, agitating debris off the walls so the vacuum can pull it out. The brush is sized to the duct, not a one-size-fits-all head jammed into flex duct and spun at whatever speed the machine happens to be set at.
Third, the coil and blower work. If you skip this part, you’ve paid for half a job. The blower wheel and evaporator coil are where dust, dander, and whatever else was floating through your return register ends up. A coil caked with six years of Santa Clarita dust runs less efficiently, which means higher summer electric bills and a compressor working harder than it should. Cleaning the blower assembly and coil is the part of the job that actually moves the needle on airflow and system performance.
How to Save on HVAC Cleaning
You don’t have to overpay for HVAC cleaning in Santa Clarita. Here’s how to keep the bill reasonable without cutting corners:
Change your filters on a schedule. A $25 Honeywell filter changed every 60 days during our dusty Santa Ana season keeps debris from ever reaching the coil and blower. It’s the single cheapest way to extend the life between cleanings.
Combine services. If your dryer vent hasn’t been cleaned in a year or longer, adding it to an HVAC cleaning appointment costs less than booking it separately. Same with duct sealing: if you’re already paying for access to the ductwork, sealing it while the technician is in the attic costs less than a standalone appointment.
Get a written quote before the work starts. This isn’t a money-saving tip in the coupon sense. It’s about not paying for surprises. A company that quotes a price in writing before opening a single access panel is a company that isn’t going to find a reason to add $300 once the machine is running. We write the price down before we touch anything, and that price does not move at the door. Call (661) 523-0295 for a free estimate and you’ll see the number before you commit to anything.
Is HVAC Cleaning Worth It in Santa Clarita?
For most homes here, yes. The combination of our long cooling season, the dust that blows off the foothills, and the fact that most Santa Clarita homes run their AC from May through October means systems here get dirtier than in coastal markets. A clean coil and blower move air more efficiently, which translates to lower cooling costs during the hottest Valley days and less strain on equipment that already works hard enough.
If you have visible dust blowing out of registers when the system kicks on, a musty smell when the AC runs, or allergy symptoms that improve when you’re away from home, the system is telling you something. None of those are normal, and all of them point to buildup in the ducts or on the coil.
The alternative, leaving it alone, means running your system with reduced airflow until the neglected coil eventually freezes over or the blower motor burns out from running against resistance. A coil replacement runs $900 to $1,600 in this market. A cleaning runs a fraction of that.
HVAC Cleaning in Santa Clarita: What the Process Actually Looks Like
Here’s the sequence in the order a competent crew runs it, because knowing the steps tells you whether you’re paying for a real cleaning or a glorified vacuum pass:
- Access and inspection. The technician opens the main supply and return plenums, checks the blower cabinet, and looks at the coil through the access panel. This tells them what they’re dealing with before any machine runs.
- Negative-air hookup. The vacuum unit connects to the main trunk, creating constant suction throughout the system. This runs through the entire cleaning.
- Duct agitation. The rotary brush runs through each supply and return line, knocking debris loose so the negative air pulls it out rather than letting it resettle.
- Coil and blower cleaning. The technician pulls the blower assembly, cleans the wheel and housing, and cleans the evaporator coil with the proper coil cleaner, not a home-grade spray.
- Filter installation. A clean filter goes in before the system is reassembled. We stock Honeywell and Aprilaire filters in the common sizes.
- Walkthrough. The crew shows you what came out of the system, which is usually enough to justify the whole appointment.
This is the same process we run through on every HVAC cleaning job in Santa Clarita, whether it’s a single condo near Town Center or a two-system house in Westridge.
What About Duct Sealing?
While the ducts are open and observable, it’s worth assessing whether duct sealing makes sense. In Santa Clarita, we lose conditioned air through gaps in duct joints, connections to boots, and tears in flex duct that open up from heat and UV exposure in our attic spaces. Sealing those leaks with mastic or an Aeroseal injection costs $350 to $1,100 depending on method and accessibility, but the payback shows up in utility bills and room comfort. Rooms that never quite cool in July are usually the ones with the most leakage on the supply side.
If you’re already paying for an HVAC cleaning, asking the technician to note any visible duct failures while they’re in the attic costs nothing and gives you a clear answer about whether sealing is worth pursuing. We tell homeowners what we see whether or not they book the additional work. The point is a clear picture, not a padded invoice.
Why Pricing Varies Between Companies in Santa Clarita
The spread in local HVAC cleaning quotes is wider than it should be, and the reason is simple: different companies are selling different jobs. A $79 whole-house special, the classic bait that shows up on Valpak mailers and Instagram ads, isn’t paying for the labor it takes to clean a coil and blower properly. That price covers a quick pass through a few vents and a hard pitch for expensive add-ons once the technician is inside your home.
A legitimate company quoting $400 to $500 for the same home is running a real crew, with background-checked employees in uniform, professional equipment, and a written price that doesn’t change. The difference shows up in the work. A real cleaning takes three to five hours for a typical single-system Santa Clarita house. A $79 special takes 45 minutes because it isn’t doing the same job.
One more factor: every Hollis Air Duct Santa Clarita job is covered by a written 365-Day Done Right Promise. If the work fails within a year, we come back and make it right at no charge. That includes a free second visit if the repair fails. Not many companies in this trade put that in writing, and the ones that do don’t offer it as a courtesy. It’s part of the price.
How Much Does HVAC Cleaning Cost in Santa Clarita?
We covered the number up top, but let’s frame it properly: HVAC cleaning in Santa Clarita costs $285 to $610 for a typical single-family home with one system, and $590 to $880 for a two-system home. The price range exists because every home builds up different amounts of dust depending on pets, occupancy, filter habits, and proximity to major roads or open dirt. The only way to get a real number for your house is to have someone look at the system and write the quote down.
When you call (661) 523-0295, the person who answers is a live person, not a voicemail queue. You’ll get a straight answer about scheduling and what the job will cost before any technician steps through the door.
FAQs – HVAC Cleaning Cost
How much does HVAC cleaning cost in Santa Clarita?
HVAC cleaning in Santa Clarita costs $285 to $610 for most single-family homes with one system. Two-system homes run $590 to $880. The exact number depends on home size, duct accessibility, and how much buildup has accumulated since the last cleaning. Call (661) 523-0295 for a free written estimate.
Is it cheaper to clean HVAC ducts or replace them?
Cleaning is almost always cheaper. Duct cleaning costs $285 to $610, while duct replacement in Santa Clarita typically runs $1,800 to $4,000 depending on home size and attic access. Replacement only makes sense when ducts are damaged, collapsed, or deteriorated beyond what mastic sealing can repair. A technician can tell you which applies to your system.
How often should HVAC systems be cleaned in Santa Clarita?
Every 3 to 5 years for most homes. Homes with pets, smokers, recent renovation work, or nearby construction may need cleaning every 2 to 3 years. Our dry climate and long cooling season mean Santa Clarita systems accumulate dust faster than coastal markets.
Does HVAC cleaning lower energy bills?
It can. A clean evaporator coil and blower wheel restore normal airflow, which lets the system cool the house without working as hard. On the hottest Santa Clarita days, the difference between a clean coil and a dust-caked one shows up in runtime and peak-hour electricity use. The efficiency gain is real, but the bigger benefit is preventing a coil freeze or blower failure that costs $900 to $1,600 to fix.
Can you clean HVAC systems the same day in Santa Clarita?
Usually. Most single-system homes are completed in one appointment lasting three to five hours. Same-week scheduling is common, and we can often accommodate same-day calls depending on the schedule. Call (661) 523-0295 and the person who answers can tell you what’s available.
Get a Written Price Before You Book Anything
You should know the number before you commit, and you should know what that number covers. We write the price down before any work starts, and we don’t move it once the technician is inside. The equipment is professional grade, the technicians are background-checked and uniformed, and every job carries a written one-year guarantee. If the work fails, we return and fix it without another charge.
Whether you’re in Valencia, Saugus, Newhall, Canyon Country, Castaic, or Stevenson Ranch, the system is the same: home is where the work starts, and the original HVAC cleaning service in Santa Clarita has been around since 2004. Roy Castellanos runs the Santa Clarita location, and he runs it under The Garrison Standard, which means arriving inside the window, pricing in writing, completing the job by the book, and leaving the site clean.
Call (661) 523-0295 for a free estimate. The number you get is the number you’ll pay.
Written by Roy Castellanos, Owner at Hollis Air Duct Santa Clarita, serving Santa Clarita since 2004.
Pricing reflects the Santa Clarita market as of 2026. Hollis Air Duct Santa Clarita offers free estimates – call (661) 523-0295.
What Our Customers Say
"Dryer vent was packed with lint and took two hours to dry a load. Cleaned it out from the roof cap down. One cycle again."
- Paula Q."Good job on the ducts. Ran about an hour over the estimate, though they told me early. Air smells cleaner."
- Mike E."Careful with the carpet and furniture. Even wiped down the vent covers before putting them back."
- Leo B.